Weird USB size question

[ZeroUrashima]

My USb is an old one with 2GB storage in it and I used it to install memtest86 and it formatted it and became 50MB big. I tried formatting it to bring it back to 2Gb but windows doesn't offer me the option, what am I supposed to do?

 

[ZeroUrashima]

ah, solved it on my own, should have looked a bit more before posting.
Thanks for reading.